Prosecution Insights
Last updated: April 19, 2026

Examiner: YANCHUK, STEPHEN J

Tech Center 1700 • Art Units: 1723 1729 1752 1795

This examiner grants 50% of resolved cases

Performance Statistics

50.3%
Allow Rate
-14.7% vs TC avg
515
Total Applications
+40.0%
Interview Lift
1804
Avg Prosecution Days
Based on 499 resolved cases, 2023–2026

Rejection Statute Breakdown

1.5%
§101 Eligibility
21.6%
§102 Novelty
51.5%
§103 Obviousness
20.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18449511 BATTERY CELL, BATTERY AND ELECTRICAL DEVICE Final Rejection CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18938754 Electrode Having Excellent Weldability Between Electrode Lead and Electrode Tab and Method of Manufacturing the Same Non-Final OA LG Energy Solution, Ltd.
18106826 SECONDARY BATTERY HAVING IMPROVED TERMINAL STRUCTURE Non-Final OA LG Energy Solution, Ltd.
18006101 Electrode Having Excellent Weldability Between Electrode Lead and Electrode Tab and Method of Manufacturing the Same Non-Final OA LG Energy Solution, Ltd.
18010022 Bus Bar Having High Heat Dissipation Performance Non-Final OA LG Energy Solution, Ltd.
18085325 BIPOLAR PLATE FOR FUEL CELL AND FUEL CELL INCLUDING THE SAME Non-Final OA Kia Corporation
18010114 ELECTRIC STORAGE DEVICE Non-Final OA TOYOTA JIDOSHA KABUSHIKI KAISHA
17041432 CURRENT COLLECTOR TAB FOR SOLID-STATE BATTERIES, CURRENT COLLECTOR, AND ELECTRODE SHEET Final Rejection HONDA MOTOR CO., LTD.
15781521 SECONDARY CELL Final Rejection VEHICLE ENERGY JAPAN INC.
18377011 RECYCLING METHOD FOR TREATING USED BATTERIES, IN PARTICULAR RECHARGEABLE BATTERIES, AND BATTERY PROCESSING INSTALLATION Final Rejection DUESENFELD GMBH
17181311 RECYCLING METHOD FOR TREATING USED BATTERIES, IN PARTICULAR RECHARGEABLE BATTERIES, AND BATTERY PROCESSING INSTALLATION Final Rejection DUESENFELD GMBH

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